Koichiro Ike

Profile Information

Degree: Doctor (Science)(Mar, 2021, Niigata University)

ORCID ID: https://orcid.org/0000-0002-0669-7350
J-GLOBAL ID: 202001016575044409
researchmap Member ID: R000007853

Research Interests

Research Areas

Committee Memberships

Jun, 2022 - Sep, 2022

An executive committee member of 2022 Fall National Conference & Symposium, The Operations Research Society of Japan

Papers

Error-constant estimation under the maximum norm for linear Lagrange interpolation

Shirley Mae Galindo, Koichiro Ike, Xuefeng Liu

Journal of Inequalities and Applications, 2022(1), Aug 13, 2022 Peer-reviewed
Further characterizations of possibility-theoretical indices in fuzzy optimization

Koichiro Ike

Fuzzy Sets and Systems, 422 149-160, Oct, 2021 Peer-reviewed
Semicontinuity of the composition of set-valued map and scalarization function for sets

Koichiro Ike, Mengxue Liu, Yuto Ogata, Tamaki Tanaka

Journal of Applied and Numerical Optimization, 1(3) 267-276, Dec, 2019 Peer-reviewed
Sublinear-like Scalarization Scheme for Sets and its Applications to Set-valued Inequalities

Koichiro Ike, Yuto Ogata, Tamaki Tanaka, Hui Yu

Variational Analysis and Set Optimization, 72-91, Jun, 2019 Peer-reviewed
A Calculation Approach to Scalarization for Polyhedral Sets by Means of Set Relations

Hui Yu, Koichiro Ike, Yuto Ogata, Tamaki Tanaka

Taiwanese Journal of Mathematics, 23(1) 255-267, Feb, 2019 Peer-reviewed
Convex-cone-based comparisons of and difference evaluations for fuzzy sets

Koichiro Ike, Tamaki Tanaka

Optimization, 67(7) 1051-1066, Jul, 2018 Peer-reviewed
Computational methods for set-relation-based scalarizing functions

Hui Yu, Koichiro Ike, Yuto Ogata, Yutaka Saito, Tamaki Tanaka

Nihonkai Mathematical Journal, 28(2) 139-149, Aug, 2017 Peer-reviewed

Misc.

A relationship between possibility-theoretical comparison indices for fuzzy sets and set relations (Study on Nonlinear Analysis and Convex Analysis)

Ike, Koichiro, Tanaka, Tamaki

RIMS Kokyuroku, 2190 159-165, Jul, 2021
Characterization of possibility-theoretical comparison indices for fuzzy sets and its application (Theory and Its Application of Mathematical Decision Making under Uncertainty and Ambiguity)

Koichiro Ike, Tamaki Tanaka

RIMS Kokyuroku, 2158(2158) 1-8, Jun, 2020
Possibility-theoretical approach to comparison and optimization of fuzzy sets (Mathematics of Decision Making under Uncertainty and Related Topics)

Koichiro Ike, Tamaki Tanaka

RIMS Kokyuroku, 2126(2126) 99-105, Aug, 2019
Binary-relation-based difference evaluations for fuzzy sets and their numerical calculation methods (Nonlinear Analysis and Convex Analysis)

Koichiro Ike, Tamaki Tanaka

RIMS Kokyuroku, 2114(2114) 229-234, May, 2019
A characterization of comparison indices for fuzzy sets based on possibility theory (Study on Nonlinear Analysis and Convex Analysis)

Koichiro Ike, Tamaki Tanaka

RIMS Kokyuroku, 2112 195-200, Apr, 2019
Sublinear-like scalarization scheme for sets and its application to fuzzy sets (Decision making theories under uncertainty and its applications: the extensions of mathematics for programming)

Koichiro Ike, Tamaki Tanaka

RIMS Kokyuroku, 2078(2078) 154-159, Jul, 2018
集合の二項関係に基づくスカラー化関数の数値計算法

YU Hui, 池浩一郎, 小形優人, 齋藤裕, LIU Xuefeng, 田中環, 山田修司

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集, 2017, 2017

Presentations

数理・プログラミング教育のためのクラウド教育システム開発の取組報告

齋藤裕, 劉雪峰, 田中一成, 池浩一郎

教育システム情報学会（JSiSE）2021年度第3回研究会, Sep 24, 2021
可能性理論に基づくファジィ集合の比較指標の特徴付けとその応用

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）不確実・不確定性の下における数理的意思決定の理論と応用, Nov 11, 2019
可能性理論に基づくファジィ集合の比較指標と集合関係との関連性について

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）非線形解析学と凸解析学の研究, Sep 4, 2019
Possible utilization of set relations for comparing fuzzy sets

Koichiro Ike, Tamaki Tanaka

Set Optimization for Applications: Fourth International Conference on Set Optimization and Set-Valued Variational Analysis with Applications to Economics, Finance, Statistics, Feb 13, 2019
ファジィ集合の比較と最適化に対する可能性理論的アプローチ

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）不確実性の下での意思決定の数理とその周辺, Nov 20, 2018
可能性理論に基づくファジィ集合の比較指標の特徴付け

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）非線形解析学と凸解析学の研究, Aug 29, 2018
集合最適化の視点によるファジィ集合の比較理論

池浩一郎, 田中環

日本オペレーションズ・リサーチ学会2018年春季研究発表会, Mar 15, 2018
Comparison theory for fuzzy sets from the viewpoint of set optimization

Koichiro Ike, Tamaki Tanaka

Joint Seminar and Research Camp program on Mathematical Science 2018, Feb 20, 2018
集合に対する劣線形的スカラー化スキームとファジィ集合への応用

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）不確実性の下での意思決定理論とその応用：計画数学の展開, Nov 16, 2017
ファジィ集合の優劣関係に基づく差の評価とその数値計算法

池浩一郎, 田中環

京都大学数理解析研究所共同研究（公開型）非線形解析学と凸解析学の研究, Sep 1, 2017
New comparison criteria of fuzzy sets from the viewpoint of set optimization

Koichiro Ike, Tamaki Tanaka

The 10th Anniversary Conference on Nonlinear Analysis and Convex Analysis, Jul 8, 2017
集合の二項関係に基づくスカラー化関数の数値計算法

于慧, 池浩一郎, 小形優人, 齋藤裕, 劉雪峰, 田中環, 山田修司

日本オペレーションズ・リサーチ学会2017年春季研究発表会, Mar 17, 2017
ファジィ集合の2項関係に基づくスカラー化と二者択一の定理

池浩一郎, 田中環

日本オペレーションズ・リサーチ学会2017年春季研究発表会, Mar 17, 2017

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